package com.hmall.trade.listener;

import com.hmall.common.constants.MqConstants;
import com.hmall.trade.domain.po.Order;
import com.hmall.trade.service.IOrderService;
import lombok.RequiredArgsConstructor;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

/**
 * @author HW
 * @date 2025/9/8
 * @description TODO
 */
@Component
@RequiredArgsConstructor
public class OrderDelayMessageListener {

    private final IOrderService orderService;

    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(name=MqConstants.DELAY_ORDER_QUEUE_NAME),
            exchange = @Exchange(name = MqConstants.DELAY_EXCHANGE_NAME,delayed = "true"),
            key = MqConstants.DELAY_ORDER_KEY
    ))
    public void listenOrderDelayMessage(Long orderId){
        //1.查询订单
        Order order = orderService.getById(orderId);
        //2.检测订单状态,判断是否0未支付
        if (order==null||order.getStatus()!=1){
            //订单不存在或者不是"未支付"状态,已经处理过的,就直接结束(幂等性校验)
            return;
        }
        //3.todo订单状态是未支付,需要查询支付单状态(pay服务里pay_order表的支付单状态)

        //4.判断支付单是否已支付
        //  如果已支付,标记订单状态为"已支付代发薪"
        orderService.markOrderPaySuccess(orderId);
        //  否则取消订单,回滚库存(查询订单里都有哪些商品,每个商品买了几个)
    }
}